Re: HUD panel is deallocating itself after close

FROM : Jonathan Hess
DATE : Wed Apr 02 07:23:09 2008

Hey Sam -

Uncheck 'release when closed' option in the IB inspector for your HUD 
window if it is checked.

Good Luck -
Jon Hess

On Apr 1, 2008, at 10:12 PM, Sam Krishna wrote:

> (Leopard 10.2.5, x86)
>
> As a simple project, I'm trying to implement a HUD panel inside of 
> the TextEdit codebase. The HUD panel is in a separate nib 
> ("HUD.nib") that has it's own controller which is separate from the 
> File's Owner class.
>
> I have two classes:
>
> (1) Launcher.[hm] --- this is the File's Owner class.
> (2) HUDControlller.[hm]
>
> I've re-wired the "Find..." sub-menu item to launch the panel when 
> firing showFindPanel:
>
> The HUD panel opens successfully the first time when I use Cmd-F to 
> "find" something. However, when I close the panel and try to re-open 
> it, the system acts as if the panel has inadvertently been freed. 
> Here's the backtrace:
>
> --------
> Current language:  auto; currently objective-c
> Program received signal:  “EXC_BAD_ACCESS”.
> (gdb) bt
> #0  0x906176e8 in objc_msgSend ()
> #1  0x0001b142 in -[PanelController showFindPanel:] 
> (self=0x143c4d30, _cmd=0x1fdf8, sender=0x135530) at /Volumes/elyon/
> achilles/Projects/Regex/Prototypes/TextEdit/PanelController.m:30
> #2  0x0001b322 in -[Detector showFindPanel:] (self=0x135530, 
> _cmd=0x1fdf8, sender=0x12f6c0) at /Volumes/elyon/achilles/Projects/
> Regex/Prototypes/TextEdit/Detector.m:136
> #3  0x9188fe56 in -[NSApplication sendAction:to:from:] ()
> #4  0x9193e7cc in -[NSMenu performActionForItemAtIndex:] ()
> #5  0x9193e4d1 in -[NSCarbonMenuImpl 
> performActionWithHighlightingForItemAtIndex:] ()
> #6  0x9193e157 in -[NSMenu performKeyEquivalent:] ()
> #7  0x9193c9fd in -[NSApplication _handleKeyEquivalent:] ()
> #8  0x91859b36 in -[NSApplication sendEvent:] ()
> #9  0x917b70f9 in -[NSApplication run] ()
> #10 0x9178430a in NSApplicationMain ()
> #11 0x00016985 in main (argc=1, argv=0xbffff6b0) at
> ------
>
> For the record, the code isn't doing anything special. All I did was 
> re-wire the main menu's Find->Find...  submenu item to my Launcher 
> class in the Edit.nib file. I then used NSBundle to load the 
> secondary xib, set the File's Owner of the 2nd xib to Launcher, and 
> had it point to the HUDController, which in turn performs -
> makeKeyAndOrderFront: on the HUD Panel when using Cmd-F.
>
> Any ideas?
>
> Sam
>
>
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